Nik Wallenda crosses canyon on tightrope

Aerialist Nik Wallenda crossed the Little Colorado River Gorge near the Grand Canyon on Sunday. The stunt took him about 1,500 feet above the river. It took him 22 minutes to cross the quarter-mile gorge

Aerialist Nik Wallenda crossed the Little Colorado River Gorge near the Grand Canyon on Sunday. The stunt took him about 1,500 feet above the river. It took him 22 minutes to cross the quarter-mile gorge